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Finding the Fourth Proportional to 701.22, 1,052.64 and 377.22

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Solution

The fourth proportional to 701.22, 1,052.64 and 377.22 is: 566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.22 : 1,052.64 = 377.22 : x
  2. Step 2: Convert to fraction form
    701.22/1,052.64 = 377.22/x
  3. Step 3: Cross multiply
    701.22x = 1,052.64 × 377.22
  4. Step 4: Simplify right side
    701.22x = 397,076.86
  5. Step 5: Solve for x
    x = 397,076.86/701.22
  6. Step 6: Final answer
    x = 566.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.